Finding the Fourth Proportional to 197,948.48, 273,130.99 and 117,447.44
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Solution
The fourth proportional to 197,948.48, 273,130.99 and 117,447.44 is: 162,054.97
Step by Step Solution
- Step 1: Write the proportion equation
197,948.48 : 273,130.99 = 117,447.44 : x - Step 2: Convert to fraction form
197,948.48/273,130.99 = 117,447.44/x - Step 3: Cross multiply
197,948.48x = 273,130.99 × 117,447.44 - Step 4: Simplify right side
197,948.48x = 32,078,533,900.89 - Step 5: Solve for x
x = 32,078,533,900.89/197,948.48 - Step 6: Final answer
x = 162,054.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.